Steel 10ХНДП
Description
Steel 10ХНДП
Steel 10KhNDP: brand of steels and alloys. Below is the systematized information on the purpose, chemical composition, types of supplies, substitutes, temperature of critical points, physical, mechanical, technological and casting properties for the grade — Steel 10KhNDP.
General information about steel 10ХНДП
| Delivery type |
| Sheet 10khndp, long products, including shaped: GOST 19281−73, GOST 2590−71, GOST 2591−71, GOST 8239−72, GOST 8240−72. Thick sheet GOST 19282−73, GOST 19903−74. Thin sheet GOST 17066−80, GOST 19903−74, GOST 19904−74. Strip GOST 103−76, GOST 82−70. Forgings and forged billets GOST 1133−71. |
| Application |
| in construction and mechanical engineering for welded structures. |
Chemical composition of steel 10KhNDP
| Chemical element |
% |
| Nitrogen (N), no more |
0.008 |
| Aluminum (Al) |
0.08−0.15 |
| Silicon (Si) |
0.17−0.37 |
| Manganese (Mn) |
0.3−0.6 |
| Copper (Cu) |
0.3−0.5 |
| Arsenic (As), no more |
0.08 |
| Nickel (Ni) |
0.3−0.6 |
| Sulfur (S), no more |
0.040 |
| Carbon ©, no more |
0.12 |
| Phosphorus (P) |
0.07−0.12 |
| Chromium (Cr) |
0.5−0.8 |
Mechanical properties of steel 10ХНДП
| Heat treatment, delivery condition |
Section, mm |
σ 0.2, MPa |
σ B, MPa |
δ 5 ,% |
| Sections and sections |
<10 |
345 |
470 |
20 |
| Sheets and strips as delivered (cross samples) |
> 10 |
345 |
470 |
20 |
| Hot rolled sheets |
2−3.9 |
|
470 |
17 |
Mechanical properties at elevated temperatures
| test t, ° C |
σ 0.2, MPa |
σ B, MPa |
δ 5 ,% |
ψ,% |
| Sheets 10 mm thick as delivered |
| 20 |
390 |
505 |
22 |
51 |
| 400 |
390 |
540 |
32 |
70 |
| 500 |
395 |
540 |
|
70 |
| 600 |
385 |
530 |
32 |
71 |
| 700 |
380 |
530 |
33 |
70 |
| 800 |
355 |
500 |
34 |
70 |
Mechanical properties depending on the tempering temperature
| vacation t, ° С |
KCU, J / m 2 |
HB |
| Samples. Hardening 950 ° C, water. |
| 300 |
121 |
210 |
| 400 |
119 |
215 |
| 500 |
147 |
198 |
Technological properties of steel 10KhNDP
| Weldability |
| weldable without restrictions. |
Impact strength of steel 10KhNDP
Impact strength, KCU, J / cm 2
| Delivery status, heat treatment |
+20 |
-20 |
-40 |
-40 (KCV) |
-60 |
| GOST 19281−73. Sections and shapes with a section of 5−10 mm |
|
|
|
St. 39 |
|
| GOST 19282−73. Sheets and strips (Cross samples) with a cross section of 5−10 mm |
|
|
St. 39 |
|
|
| … Sheets (Samples cross) with a section of 18 mm. |
55 |
47 |
45 |
|
42 |
Corrosion properties of steel 10ХНДП
| Wednesday |
Depth, mm / year |
| Air |
0.0570 |
| Priming |
0.0206 |
| Water |
0.0197 |
